arcgis api for js 3.x 加载高德地图、谷歌地图、天地图
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2022-07-02 13:34:00
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本文主要介绍ArcGIS API for Javascript 3.x版本添加在线高德地图、谷歌地图、天地图的代码。
1、在线高德地图
define(["dojo/_base/declare",
"esri/geometry/Extent",
"esri/SpatialReference",
"esri/geometry/Point",
"esri/layers/TileInfo",
"esri/layers/TiledMapServiceLayer"], function (declare, Extent, SpatialReference, Point, TileInfo, TiledMapServiceLayer) {
return declare("gaodeLayer", TiledMapServiceLayer, {
layertype: "road",//图层类型
constructor: function (args) {
this.spatialReference = new SpatialReference({
wkid: 3857
});
declare.safeMixin(this, args);
this.fullExtent = new Extent(-20037508.342787, -20037508.342787, 20037508.342787, 20037508.342787, this.spatialReference);
this.initialExtent = this.fullExtent;
this.tileInfo = new TileInfo({
"cols": 256,
"rows": 256,
"compressionQuality": 0,
"origin": new Point(-20037508.342787, 20037508.342787, this.spatialReference),
"spatialReference": this.spatialReference,
"lods": [{
"level": 0,
"resolution": 156543.033928,
"scale": 591657527.591555
}, {
"level": 1,
"resolution": 78271.5169639999,
"scale": 295828763.795777
}, {
"level": 2,
"resolution": 39135.7584820001,
"scale": 147914381.897889
}, {
"level": 3,
"resolution": 19567.8792409999,
"scale": 73957190.948944
}, {
"level": 4,
"resolution": 9783.93962049996,
"scale": 36978595.474472
}, {
"level": 5,
"resolution": 4891.96981024998,
"scale": 18489297.737236
}, {
"level": 6,
"resolution": 2445.98490512499,
"scale": 9244648.868618
}, {
"level": 7,
"resolution": 1222.99245256249,
"scale": 4622324.434309
}, {
"level": 8,
"resolution": 611.49622628138,
"scale": 2311162.217155
}, {
"level": 9,
"resolution": 305.748113140558,
"scale": 1155581.108577
}, {
"level": 10,
"resolution": 152.874056570411,
"scale": 577790.554289
}, {
"level": 11,
"resolution": 76.4370282850732,
"scale": 288895.277144
}, {
"level": 12,
"resolution": 38.2185141425366,
"scale": 144447.638572
}, {
"level": 13,
"resolution": 19.1092570712683,
"scale": 72223.819286
}, {
"level": 14,
"resolution": 9.55462853563415,
"scale": 36111.909643
}, {
"level": 15,
"resolution": 4.77731426794937,
"scale": 18055.954822
}, {
"level": 16,
"resolution": 2.38865713397468,
"scale": 9027.977411
}, {
"level": 17,
"resolution": 1.19432856685505,
"scale": 4513.988705
}, {
"level": 18,
"resolution": 0.597164283559817,
"scale": 2256.994353
}, {
"level": 19,
"resolution": 0.298582141647617,
"scale": 1128.497176
}]
});
this.loaded = true;
this.onLoad(this);
},
/**
* 根据不同的layType返回不同的图层
* @param level
* @param row
* @param col
* @returns {string}
*/
getTileUrl: function (level, row, col) {
var url = "";
switch (this.layertype) {
case "road":
url = 'https://webrd0' + (col % 4 + 1) + '.is.autonavi.com/appmaptile?lang=zh_cn&size=1&scale=1&style=8&x=' + col + '&y=' + row + '&z=' + level;
break;
case "st":
url = 'https://webst0' + (col % 4 + 1) + '.is.autonavi.com/appmaptile?style=6&x=' + col + '&y=' + row + '&z=' + level;
break;
case "label":
url = 'https://webst0' + (col % 4 + 1) + '.is.autonavi.com/appmaptile?style=8&x=' + col + '&y=' + row + '&z=' + level;
break;
default:
url = 'https://webrd0' + (col % 4 + 1) + '.is.autonavi.com/appmaptile?lang=zh_cn&size=1&scale=1&style=8&x=' + col + '&y=' + row + '&z=' + level;
break;
}
return url;
}
});
});2、谷歌地图
define(["dojo/_base/declare", "esri/layers/TiledMapServiceLayer", "esri/geometry/Extent", "esri/SpatialReference", "esri/layers/TileInfo"],
function (declare, TiledMapServiceLayer, Extent, SpatialReference, TileInfo) {
return declare("googleLayer", TiledMapServiceLayer, {
layertype: "road",//图层类型
// 构造函数
constructor: function (args) {
// 这里使用坐标系为投影坐标系WGS_1984_Web_Mercator（wkid: 102113）
this.spatialReference = new SpatialReference({
wkid:102113
});
declare.safeMixin(this, args);
// 图层提供的起始显示范围以及整个图层的地理范围
this.fullExtent = new Extent(-20037508.342787, -20037508.342787, 20037508.342787, 20037508.342787, this.spatialReference);
this.initialExtent = new Extent(5916776.8, 1877209.3, 19242502.6, 7620381.8, this.spatialReference);
// 图层提供的切片信息
this.tileInfo = new TileInfo({
"rows": 256,
"cols": 256,
"compressionQuality": 0,
"origin": {
"x": -20037508.342787,
"y": 20037508.342787
},
"spatialReference": {
"wkid": 102113
},
"lods": [
{ "level": 0, "resolution": 156543.033928, "scale": 591657527.591555 },
{ "level": 1, "resolution": 78271.5169639999, "scale": 295828763.795777 },
{ "level": 2, "resolution": 39135.7584820001, "scale": 147914381.897889 },
{ "level": 3, "resolution": 19567.8792409999, "scale": 73957190.948944 },
{ "level": 4, "resolution": 9783.93962049996, "scale": 36978595.474472 },
{ "level": 5, "resolution": 4891.96981024998, "scale": 18489297.737236 },
{ "level": 6, "resolution": 2445.98490512499, "scale": 9244648.868618 },
{ "level": 7, "resolution": 1222.99245256249, "scale": 4622324.434309 },
{ "level": 8, "resolution": 611.49622628138, "scale": 2311162.217155 },
{ "level": 9, "resolution": 305.748113140558, "scale": 1155581.108577 },
{ "level": 10, "resolution": 152.874056570411, "scale": 577790.554289 },
{ "level": 11, "resolution": 76.4370282850732, "scale": 288895.277144 },
{ "level": 12, "resolution": 38.2185141425366, "scale": 144447.638572 },
{ "level": 13, "resolution": 19.1092570712683, "scale": 72223.819286 },
{ "level": 14, "resolution": 9.55462853563415, "scale": 36111.909643 },
{ "level": 15, "resolution": 4.77731426794937, "scale": 18055.954822 },
{ "level": 16, "resolution": 2.38865713397468, "scale": 9027.977411 },
{ "level": 17, "resolution": 1.19432856685505, "scale": 4513.988705 },
{ "level": 18, "resolution": 0.597164283559817, "scale": 2256.994353 },
{ "level": 19, "resolution": 0.298582141647617, "scale": 1128.497176 }
]
});
// 设置图层的loaded属性，并触发onLoad事件
this.loaded = true;
this.onLoad(this);
},
getTileUrl: function (level, row, col) {
var zoom = level - 1;
var offsetX = Math.pow(2, zoom);
var offsetY = offsetX - 1;
var numX = col - offsetX;
var numY = (-row) + offsetY;
zoom = level + 1;
var num = (col + row) % 8 + 1;
var url = "";
switch (this.layertype) {
case "road":
url = "https://mt" + (col % 4) + ".google.cn/vt/[email protected]&hl=zh-CN&gl=cn&x=" + col + "&y=" + row + "&z=" + level + "&s=Gali";
break;
case "st":
url = "https://mt" + (col % 4) + ".google.cn/vt/[email protected]&hl=zh-CN&gl=cn&x=" + col + "&y=" + row + "&z=" + level + "&s=Gali";
break;
case "label":
url = "https://mt" + (col % 4) + ".google.cn/vt/[email protected]&hl=zh-CN&gl=cn&x=" + col + "&y=" + row + "&z=" + level + "&s=Gali";
break;
default:
url = "https://mt" + (col % 4) + ".google.cn/vt/[email protected]&hl=zh-CN&gl=cn&x=" + col + "&y=" + row + "&z=" + level + "&s=Gali";
break;
}
return url;
}
});
}
)3、天地图
define(["dojo/_base/declare",
"esri/layers/TiledMapServiceLayer",
"esri/geometry/Extent",
"esri/SpatialReference",
"esri/layers/TileInfo"],
function (declare,TiledMapServiceLayer,Extent,SpatialReference,TileInfo) {
return declare("tdtLayer", TiledMapServiceLayer, {
layertype: "road",//图层类型
constructor: function (args) {
this.spatialReference = new SpatialReference({ wkid: 4326 });
declare.safeMixin(this, args);
this.initialExtent = (this.fullExtent = new Extent(-180.0, -90.0, 180.0, 90.0, this.spatialReference));
this.tileInfo = new TileInfo({
"rows": 256,
"cols": 256,
"compressionQuality": 0,
"origin": {
"x": -180,
"y": 90
},
"spatialReference": {
"wkid": 4326
},
"lods": [
{ "level": 2, "resolution": 0.3515625, "scale": 147748796.52937502 },
{ "level": 3, "resolution": 0.17578125, "scale": 73874398.264687508 },
{ "level": 4, "resolution": 0.087890625, "scale": 36937199.132343754 },
{ "level": 5, "resolution": 0.0439453125, "scale": 18468599.566171877 },
{ "level": 6, "resolution": 0.02197265625, "scale": 9234299.7830859385 },
{ "level": 7, "resolution": 0.010986328125, "scale": 4617149.8915429693 },
{ "level": 8, "resolution": 0.0054931640625, "scale": 2308574.9457714846 },
{ "level": 9, "resolution": 0.00274658203125, "scale": 1154287.4728857423 },
{ "level": 10, "resolution": 0.001373291015625, "scale": 577143.73644287116 },
{ "level": 11, "resolution": 0.0006866455078125, "scale": 288571.86822143558 },
{ "level": 12, "resolution": 0.00034332275390625, "scale": 144285.93411071779 },
{ "level": 13, "resolution": 0.000171661376953125, "scale": 72142.967055358895 },
{ "level": 14, "resolution": 8.58306884765625e-005, "scale": 36071.483527679447 },
{ "level": 15, "resolution": 4.291534423828125e-005, "scale": 18035.741763839724 },
{ "level": 16, "resolution": 2.1457672119140625e-005, "scale": 9017.8708819198619 },
{ "level": 17, "resolution": 1.0728836059570313e-005, "scale": 4508.9354409599309 },
{ "level": 18, "resolution": 5.3644180297851563e-006, "scale": 2254.4677204799655 }
]
});
this.loaded = true;
this.onLoad(this);
},
getTileUrl: function (level, row, col) {
// return "http://t" + col % 8 + ".tianditu.cn/vec_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=vec&STYLE=default&TILEMATRIXSET=c&TILEMATRIX=" + level + "&TILEROW=" + row + "&TILECOL=" + col + "&FORMAT=tiles";
var url = "";
switch (this.layertype) {
case "road":
url = "http://t" + col % 8 + ".tianditu.cn/vec_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=vec&STYLE=default&TILEMATRIXSET=c&TILEMATRIX=" + level + "&TILEROW=" + row + "&TILECOL=" + col + "&FORMAT=tiles";
break;
case "st":
url = "http://t" + row % 8 + ".tianditu.cn/img_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=img&STYLE=default&TILEMATRIXSET=c&TILEMATRIX=" + level + "&TILEROW=" + row + "&TILECOL=" + col + "&FORMAT=tiles";
break;
case "label":
url = "http://t" + row % 8 + ".tianditu.cn/cva_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cva&STYLE=default&TILEMATRIXSET=c&TILEMATRIX=" + level + "&TILEROW=" + row + "&TILECOL=" + col + "&FORMAT=tiles";
break;
default:
url = "http://t" + col % 8 + ".tianditu.cn/vec_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=vec&STYLE=default&TILEMATRIXSET=c&TILEMATRIX=" + level + "&TILEROW=" + row + "&TILECOL=" + col + "&FORMAT=tiles";
break;
}
return url;
}
});
});为了方便测试，我是分别将三个文件放在api 的layer文件夹下，方便调用，也可通过dojoConfig配置路径。调用方式都一样
<script>
var map;
require([
"esri/map",
"esri/layers/GaodeLayer",
"dojo/parser",
"dojo/domReady!"],
function(Map, GaodeLayer, parser) {
parser.parse();
map = new Map("map", {
logo: false,
center: [105.9, 36.7],
zoom: 5
});
var gdlayer = new GaodeLayer({layertype: "road"});
map.addLayer(gdlayer);
});
</script>上一篇： sqlite 导入 导出
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